2021年广西桂林市、崇左市、贺州市高考数学联考试卷(2021.04)

0.20.22021年广西桂林市崇左市、贺市高考数联考试卷（科）（月）一选题每题5分）A{012}{x1}A{101}B{10}{12}D{2}z+8z

A34iC

Bi1

C4iD4+3iA

B

C

D20213+1+2ABC3Dalogb2c0.20.3

AabBcaDca

11111111xx0xxlnA1B1D3CDEFABDEA0B1CD3tanπcos2A

B1C

0D

1ylnxyx+2

1A1B

C

D101CA60ABFA3B

C3D611ABCD2个12DPO5ABCDPDPA2CD

n1n146nnnnnnn1n146nnnnnnA

B

C

D二填题本共4小题每题5分共20分。13

14y

z2+15BbcsincosCcosa16fx+0CBCfxDABDA三解题共分解应出文说、明程演步。～21题必题每试考都须答第2223题选题考根据求答(一必题共60分。17{}a110aN*{}1{}{b}{}{}{}{}18ADCAPC

1AC2P190xx

7.5

7.1

6.0

5.6

4.8ibii

y20C2pFF412ABCQQFQFAF

121211212121fexRx12

x

x(二）选题共分。考在22、题任一题答如多，按做第一计。[选4-4：坐系参数程]222+24O90OQC

1C2OB[选修4-5：不等选23fx

C1xRfx2tmn+

参考答案一选题本共12小题每题5分共60分在小给的个项，有一是合目求。A{012}{x1}A{101}B{10}{12}D{2}A{112}B{lnx1}{|x1}B{2}Dz+8z

A34i

Bi

C4iD4+3izabia2a8+b24bz4iCC1

A

B

C

D1cC

20213+1+2

0.20.20.20.20.20.2ABC3D3CCalogb2c0.20.3

AabBcaDcaaloglog100b20.3100.3

0.2

0caxx0xxlnA1B1D3lnfxxfxx0fxe1flnlnf2eln11

11111111111111111111111111111111111111CDEFABDEA0B1CD3AFFDFEFBDEDEDEBDE

1

FBDEA

FDFDFEFEtanπcos2A

B1

C

0D

1

sin

2sin1D

ylnxyx+2

1A1B

C

Dylnxmn

1111111111111111111111111111111111ylnxy1myyx+

x

2a1a2

42+1a101CA60ABFA3B

C3D6F|2FF21060+6060120FBFcosFBF12ABF

BFBF12sin1203

C11ABCD2个D

C12DPO5ABCDPDPA2CDA

B

C

DPABPA2+PC2RPA2D二填题本共4小题每题5分共20分。13

2

3

14y

z2+4

zxyAz

32z415BbcsincosCcosacosCcosBAsinCcosCAcosAsinCsinAsinCsinCcosAsinC0sinC0AsinAA1

ca16fx+0CBCfxDABDA

n1n146nnnnnnn14n1n616nnnnnnnn1n146nnnnnnn14n1n616nnnnnnn0

三解题共分解应出文说、明程演步。～21题必题每试考都须答第2223题选题考根据求答(一必题共60分。17{}a110aN*{}1{}{b}{}{}{}{}1{}a1a10da13nakN*{}3aak162{}

4b

n12b

n{}{}{}20

nPACPnPACP{}202431+4+16+6418ADCAPC1AC2P1ACACPBACPB2+VPOBV

19x

x

7.5

7.1

6.0

5.6

4.8ibii

y0.050.450.550.20.250.25+0.350.10+0.55i

iiy10x20+xfxx0.10.1x40x3609920C2pFF412ABCQQFQFAF

11211111112112111111121F2pFykx2

2k

xk2x

0l+p+

+

222y42AyBAkxy

y2

y

+01k0ky2x+

yy2+

1+

1+

QF2

1+

+++1

1+

QF|

|21fexR，fx01

00121212001212122

x1xxae

xRgxxx0xxx0xx01a21xx+1cosx+tanxxcosxx+1hxxxsin+sin2

x

0FxFx0h'0hxh00

F0h'0hx0xxe(二）选题共分。考在22、题任一题答如多，按做第一计。[选4-4：坐系参数程]222+24O90OQC

1C2

COB1Q